SAT Math Question of the Day

Math Category: Algebra:

Q: If 4x - 9 = 8x + 3, then x =

  1. -7
  2. -3
  3. 1
  4. 5
  5. 9

UNANSWERED.

The correct answer is B.

A: The answer is -3.

4x - 9 = 8x + 3
- 9 = 4x + 3
- 12 = 4x
- 3 = x